He blinked, but then his lips stretched wide in a grin.

The President's lips were stretched in a grin beneath the mustache.

It ended at a point beneath narrow lips that were now stretched in a grin of welcome.

She felt her face stretched in a big grin.

I thought his black, small-toothed mouth stretched in a grin.

West's usual poker face stretched in a tight grin as he caught the weapon.

The eyes were covered by stylish sunglasses, and his lips stretched in a tight grin.

And despite their precarious situation, he felt his mouth stretching in a silly grin.

I felt my lips stretch in a large, unconvincing grin.

Then his lips stretched in a slow, surprised grin.